diff --git a/cmd/ipbl/ipbl.go b/cmd/ipbl/ipbl.go
index 6f1ec01..ba29ad1 100644
--- a/cmd/ipbl/ipbl.go
+++ b/cmd/ipbl/ipbl.go
@@ -40,7 +40,7 @@ func main() {
 		go models.ScanIP(&cfg)
 	}
 
-	if cfg.Switchs.Debug {
+	if cfg.Options.Debug {
 		go func() {
 			log.Println(http.ListenAndServe("localhost:6060", nil))
 		}()
diff --git a/src/config/main.go b/src/config/main.go
index 9f8ff28..3c9783c 100644
--- a/src/config/main.go
+++ b/src/config/main.go
@@ -10,7 +10,6 @@ import (
 
 func (cfg *Config) GetConfig() error {
 	var configfile string
-	var debug bool
 	var drop bool
 	var init bool
 	var port int
@@ -21,7 +20,6 @@ func (cfg *Config) GetConfig() error {
 
 	flag.StringVar(&configfile, "configfile", "ipbl.ini", "Configuration file to use with ipbl section")
 	flag.IntVar(&port, "port", 8099, "Web service port to use")
-	flag.BoolVar(&debug, "debug", false, "If debug logging must be enabled")
 	flag.BoolVar(&drop, "drop", false, "If dropping tables must occur")
 	flag.BoolVar(&init, "init", false, "If init of database must be done")
 	flag.BoolVar(&version, "version", false, "Show version")
@@ -29,7 +27,6 @@ func (cfg *Config) GetConfig() error {
 
 	flag.Parse()
 
-	cfg.Switchs.Debug = debug
 	cfg.Switchs.Drop = drop
 	cfg.Switchs.Init = init
 	cfg.Switchs.Port = port
@@ -50,6 +47,7 @@ func (cfg *Config) GetConfig() error {
 
 	cfg.Options.SocketChannel = "ipbl"
 	cfg.Options.HideBanner = ipblsection.Key("hidebanner").MustBool(false)
+	cfg.Options.Debug = ipblsection.Key("debug").MustBool(false)
 
 	return nil
 }
@@ -66,11 +64,11 @@ type Config struct {
 		Version       string
 		HideBanner    bool
 		SocketChannel string
+		Debug         bool
 	}
 	Switchs struct {
 		Port     int
 		NoFeed   bool
-		Debug    bool
 		Drop     bool
 		Init     bool
 		Version  bool
diff --git a/src/database/main.go b/src/database/main.go
index d177a08..19e1cdb 100644
--- a/src/database/main.go
+++ b/src/database/main.go
@@ -30,7 +30,7 @@ func Initialize(ctx *context.Context, cfg *config.Config) (err error) {
 	}
 	cfg.Db.SetMapper(names.GonicMapper{})
 	cfg.Db.SetQuotePolicy(dialects.QuotePolicyReserved)
-	cfg.Db.ShowSQL(cfg.Switchs.Debug)
+	cfg.Db.ShowSQL(cfg.Options.Debug)
 
 	//cfg.Db.SetDefaultCacher(cacher)
 
diff --git a/src/models/ip.go b/src/models/ip.go
index 7c2744c..55eba6d 100644
--- a/src/models/ip.go
+++ b/src/models/ip.go
@@ -8,6 +8,7 @@ import (
 	"io"
 	"log"
 	"net/http"
+	"runtime"
 	"sync"
 	"time"
 
@@ -131,21 +132,30 @@ func InsertIPBulk(session *xorm.Session, ips *[]IP) (numinsert int64, numupdate
 }
 
 func ScanIP(cfg *config.Config) (err error) {
-	var numthreads = 8
+	var numthreads int = runtime.NumCPU() / 2
 	for {
 		session := cfg.Db.NewSession()
 		orphans := []IP{}
-		err = session.Where(`((as_id IS NULL
-							  OR country_id IS NULL
-							  OR city_id IS NULL
-							  OR rdns = ''
-							  OR rdns IS NULL) AND updated < now()-'1d'::interval) OR 
-							  (as_id IS NULL
-								AND country_id IS NULL
-								AND city_id IS NULL
-								AND rdns IS NULL)
-							`).Desc("updated").Limit(SCANLIMIT).Find(&orphans)
-		session.Close()
+		err = session.Where(`
+			(
+				(
+					as_id IS NULL
+					OR country_id IS NULL
+					OR city_id IS NULL
+					OR rdns = ''
+					OR rdns IS NULL
+				)
+				AND updated < now()-'1d'::interval
+			)
+			OR
+		  (
+				as_id IS NULL
+				AND country_id IS NULL
+				AND city_id IS NULL
+				AND rdns IS NULL
+			)
+		`).Desc("updated").Limit(SCANLIMIT).Find(&orphans)
+		defer session.Close()
 
 		if err == nil && len(orphans) > 0 {
 			orphanchan := make(chan IP)
@@ -161,10 +171,9 @@ func ScanIP(cfg *config.Config) (err error) {
 			}
 
 			close(orphanchan)
-			<-done
 			wg.Wait()
 		} else {
-			time.Sleep(30 * time.Second)
+			time.Sleep(1 * time.Second)
 		}
 	}
 }
@@ -172,19 +181,21 @@ func ScanIP(cfg *config.Config) (err error) {
 func ScanOrphan(wg *sync.WaitGroup, orphans chan IP, done chan bool, thr int, cfg *config.Config) (err error) {
 	wg.Add(1)
 
+	session := cfg.Db.NewSession()
+	defer session.Close()
+	queryclient := http.Client{}
+
 	for {
 		orphan, more := <-orphans
 		if more {
-			session := cfg.Db.NewSession()
 			if err != nil {
 				log.Println(err)
 			}
-			queryclient := http.Client{}
 			var query QueryIP
 			query, err := QueryInfo(&queryclient, orphan.IP)
 			if err != nil {
 				log.Println(err)
-				time.Sleep(10 * time.Minute)
+				time.Sleep(1 * time.Minute)
 				continue
 			}
 
@@ -202,8 +213,8 @@ func ScanOrphan(wg *sync.WaitGroup, orphans chan IP, done chan bool, thr int, cf
 			}
 
 			orphan.Rdns = sql.NullString{String: query.Rdns, Valid: true}
-			if cfg.Switchs.Debug {
-				log.Printf("%s -> \"%s\"\n", orphan.IP, query.Rdns)
+			if cfg.Options.Debug {
+				log.Printf("t%d: %s -> \"%s\"\n", thr, orphan.IP, query.Rdns)
 			}
 
 			_, err = orphan.GetOrCreate(session)
@@ -211,21 +222,17 @@ func ScanOrphan(wg *sync.WaitGroup, orphans chan IP, done chan bool, thr int, cf
 				continue
 			}
 
-			err = session.Commit()
-			if err != nil {
-				log.Println(err)
-			}
-			err = session.Close()
-			if err != nil {
-				log.Println(err)
-			}
 		} else {
-			//fmt.Printf("All orphan migrated on thread num %d\n", thr)
+			fmt.Printf("All orphan migrated on thread num %d\n", thr)
 			wg.Done()
-			done <- true
-			return nil
+			break
 		}
 	}
+	err = session.Commit()
+	if err != nil {
+		log.Println(err)
+	}
+	return nil
 }
 
 func QueryInfo(client *http.Client, ip string) (query QueryIP, err error) {